#11304: Problems with S-class groups of number fields
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Reporter: fwclarke | Owner: davidloeffler
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7.1
Component: number fields | Keywords: S-class groups
Work_issues: | Upstream: N/A
Reviewer: | Author: Francis Clarke
Merged: | Dependencies:
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Changes (by newvalueoldvalue):
* cc: jdemeyer, cremona (added)
* status: new => needs_review
* author: => Francis Clarke
Comment:
The patch rectifies the defects. It also incorporates enhancements for
both class groups and S-class groups.
In particular:
The computation of S-class groups is made faster when the ideals in S are
all principal.
The computation of ideal_class_logs is speeded up by setting a pari flag.
The code for S-class groups is made more compatible with that for class
groups.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11304#comment:1>
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